Wall shelf



FIG. 1 is a perspective view of a wall shelf showing our new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being unornamented;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is an enlarged left side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 6 is a perspective view of a second embodiment of the design of FIG. 1;

FIG. 7 is an enlarged top plan view of FIG. 6;

FIG. 8 is an enlarged front elevational view of FIG. 6;

FIG. 9 is an enlarged bottom plan view of FIG. 6;

FIG. 10 is an enlarged left side elevational view of FIG. 6, the side opposite being a mirror image. 

The ornamental design for a wall shelf, as shown and described. 